Finance & Billing BA—Odoo ERP Integration Lead

Keystone Solutions; Kortenberg; On-site; EUR 111,000 - 185,000; Full time

Job summary

Keystone Solutions is seeking a Business Analyst specializing in Finance & Billing for a consultancy mission at a client site. You will map end-to-end financial flows within a complex Odoo-driven environment, translate tariffs and subscriptions into billing rules, and ensure accurate invoicing and audit trails.

The ideal candidate has 4–5 years as a finance/ERP business analyst, is fluent in English with Dutch or French, and is an Odoo expert who can design concrete configurations and test plans

Qualifications

• Bachelor's or master's degree in finance, accounting, economics, or related field.
• 4–5 years as a business/functional analyst in finance, billing, or ERP.
• Fluent in English; good command of Dutch or French.
• Odoo expert with Accounting, Invoicing and Subscriptions experience.
• Experience with high-volume automated transaction flows and audit trails.

Responsibilities

• Take functional ownership of the financial scope of the Odoo implementation.
• Map end-to-end financial flows: B2B, B2C, fleet, split billing, CPO revenue, and eMSP roaming, from session to invoice, payment, and journal entry.
• Translate tariffs, subscriptions, bundles, promotions, and roaming agreements into Odoo billing rules and accounting logic.
• Produce current-state and future-state process documentation, functional specifications, data mappings, interface contracts, and business rules for the CPMS <-> Odoo <-> PSP <-> bank integration.
• Define accounting treatment with Finance: accounts, VAT, analytics, accruals, credit notes, and revenue recognition.
• Design reconciliation between CPMS transactions, PSP settlements, bank statements, and the general ledger, including exceptions and disputes.
• Run workshops, challenge requirements, arbitrate standard vs. custom Odoo behavior, and keep scope under control.
• Own the finance backlog: user stories, acceptance criteria, prioritization, and delivery follow-up.
• Build and run finance testing: integration tests, UAT, simulated month-end close, and reconciliation dry-runs.
• Ensure full auditability: every invoice line can be traced back to a charging session and forward to the corresponding accounting entry.

Skills

Finance & Billing Analysis

IT Project Experience

Odoo Functional Expertise

System Integration & Data Mapping

Education

Bachelor's or Master's degree in finance, accounting, economics, business engineering, or equivalent

Tools

Odoo

ERP systems

Job description

Keystone Solutions is seeking a Business Analyst specializing in Finance & Billing for a consultancy mission at a client site. You will map end-to-end financial flows within a complex Odoo-driven environment, translate tariffs and subscriptions into billing rules, and ensure accurate invoicing and audit trails.

The ideal candidate has 4–5 years as a finance/ERP business analyst, is fluent in English with Dutch or French, and is an Odoo expert who can design concrete configurations and test plans